unixdev.net


Switch to SpeakEasy.net DSL

The Modular Manual Browser

Home Page
Manual: (v7man)
Page:
Section:
Apropos / Subsearch:
optional field

SUM(1)                      General Commands Manual                     SUM(1)



NAME
       sum - sum and count blocks in a file

SYNOPSIS
       sum file

DESCRIPTION
       Sum  calculates  and  prints  a 16-bit checksum for the named file, and
       also prints the number of blocks in the file.  It is typically used  to
       look for bad spots, or to validate a file communicated over some trans-
       mission line.

SEE ALSO
       wc(1)

DIAGNOSTICS
       `Read error' is indistinuishable from end  of  file  on  most  devices;
       check the block count.



                                                                        SUM(1)